million, whereas net profit of Baht 161.84 million in the same period of prior year, mainly results from; 1. Revenue from sales increased by Baht 103.76 million because the Company has Revenue from sales

the consolidated financial statements. 2 Summary of Performance For Q3 2019, the Company and its subsidiaries recorded net profit of 1,070 MTHB, increased by 445 MTHB or 71.2% comparing to Q3 2018. This

Assets Return on Equity (ROE) = Net Profit to average Total Equity Yours faithfully, (Mr. Hiroaki Sano) Managing Director

) SHARE OF LOSS OF INVESTMENT IN JOINT VENTURES ON EQUITY METHOD (0.00) (0.57) PROFIT BEFORE TAX 62.83 4.52 INCOME TAX INCOME 0.48 0.56 PROFIT FOR THE PERIODS FROM CONTINUTING OPERATIONS 63.31 5.08 PROFIT

which increased from 94.28% in year 2016, and the gross margin decreased from 5.72% in 2016 to 5.50% in 2017. The increase of gross profit margin was mainly due to differences in product mix as compared

of 52.47 million baht. The net profit per share is calculated at 0.097 baht per share. Please be informed accordingly. Yours faithfully, (Mr. Sommat Khunset) Managing Director Sommat Khunset

ACC1/20-012 February 25, 2020 Subject: Management Discussion and Analysis for the year ended December 31, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

AC 52/07-003 ACC1/19-042 August 13, 2019 Subject: Management Discussion and Analysis Quarter 2 Ending June 30, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

AC 52/07-003 ACC1/20-030 May 11, 2020 Subject: Management Discussion and Analysis Quarter 1 Ending March 31, 2020 To: Director and Managing Director The Stock Exchange of Thailand Qualitech Public

AC 52/07-003 ACC1/19-055 November 11, 2019 Subject: Management Discussion and Analysis Quarter 3 Ending September 30, 2019 To: Director and Managing Director The Stock Exchange of Thailand Qualitech